Jurisdiction(s):
United Kingdom

Related legal acts

Key definition

Smart Export Guarantee definition

What does Smart Export Guarantee mean? In legal practice, the Smart Export Guarantee (SEG) is the Great Britain regime under which licensed electricity suppliers must buy surplus, metered electricity exported to the grid by qualifying small‑scale low‑carbon generators under SEG export tariffs. It commenced on 1 January 2020 and replaced the export‑payment element of the Feed‑in Tariff scheme. The SEG is given effect by modifications to the standard conditions of electricity supply licences made under powers in the Energy Act 2008, with Ofgem overseeing compliance; it is not a standalone statutory definition. Suppliers above a specified customer threshold must offer at least one SEG tariff, set their...

Smart Export Guarantee in Great Britain: legal basis, supplier duties, eligibility, metering and SEG Export Agreement terms for small-scale low-carbon generators

Published by a LexisNexis Energy expert

Practice notes

For comprehensive commentary on the regulation, consenting and incentivisation of the net zero energy transition under the laws of England and Wales, see also: Collinson and Hockman on Energy Law: Regulating, Consenting and Incentivising the Energy Transition. That textbook offers an in-depth treatment of matters addressed in this Practice Note.

Introduction to the Smart Export Guarantee

This Practice Note sets out a detailed account of the ‘Smart Export Guarantee’, a regulated scheme giving owners of small-scale, low-carbon installations in Great Britain a guaranteed contract to sell Surplus electricity they produce. It considers, among other points, power purchase terms under the Smart Export Guarantee, the part played by electricity suppliers within the mechanism, and the categories of technology that can participate. The Smart Export Guarantee took effect on 1 January 2020. The proposal first emerged during consultations that announced the confirmed closure (for new installations) of the small-scale Feed-in Tariff (FiT) from 1 April 2019. This is because a key outcome of ending the FiT is the cessation of the ‘Export tariff’ provided by the FiT, which offered a guaranteed route to market for...

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Matthew Brown

Matthew is a Partner in the Energy & Climate Change Team.Matthew has a track record of advising government, regulators, network companies, developers and investors on energy sector regulation, renewables, and wider transactions in the utilities sector.With more than 450 energy and climate change lawyers, including over 100 partners, the CMS Energy and Climate Change practice is one of the largest of its kind in the world. Led from its centres of excellence such as London and Aberdeen, the practice works across 75 offices globally. Building on 40 years of experience advising on power, oil & gas and renewables through to energy disputes, emerging areas and Energy Transition, CMS is uniquely placed to ensure clients receive advice best suited to their commercial needs and to our collective future....

Web page updated on 21/05/2026

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